ovs_flow_key_extract_userspace  576 net/openvswitch/datapath.c 	err = ovs_flow_key_extract_userspace(net, a[OVS_PACKET_ATTR_KEY],
ovs_flow_key_extract_userspace  278 net/openvswitch/flow.h int ovs_flow_key_extract_userspace(struct net *net, const struct nlattr *attr,